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National Stock Number:
5305-00-685-7577
Federal Supply Class:
5305
National Item Identification Number:
006857577
Description:
SCREW,SHOULDER
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 2578-1023 | 05030 | RAYTHEON CO MISSILE SYSTEMS DIV LOWELL PLANT | | 2578-1023 | 3B150 | RAYTHEON COMPANY | | 2578-1023 | 49956 | RAYTHEON COMPANY | | 2578-1023 | 54X10 | RAYTHEON COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.422 INCHES NOMINAL | | HEAD DIAMETER | 0.406 INCHES NOMINAL | | HEAD HEIGHT | 0.324 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | HOLE CONFIGURATION STYLE | ROUND | | HOLE DIAMETER | 0.047 INCHES NOMINAL | | HOLE QUANTITY | 2 | | HOLE TYPE | DRILLED | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL COMP 303 OR STEEL COMP 303SE OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SHOULDER DIAMETER | 0.312 INCHES MINIMUM AND 0.315 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.103 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD LENGTH | 0.257 INCHES MINIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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